Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net (loss) income	$ (1,070)	$ 1,069
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Stock option compensation expense	4,946	6,863
Depreciation expense	102	43
Amortization of Right-of-Use Asset	29	24
Amortization of premiums and discounts on marketable securities	(440)	(306)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(423)	(1,421)
Accounts receivable	(2,415)	(3,052)
Inventories	444	(199)
Accounts payable and accrued expenses	(273)	(925)
Other liabilities, non-current	(43)	107
Net cash provided by operating activities	857	2,203
Cash flows from investing activities:
Purchase of investments	(15,812)	(30,060)
Maturities of investments	15,811	5,052
Purchase of property, plant and equipment	(570)	(140)
Net cash used in investing activities	(571)	(25,148)
Cash flows from financing activities:
Proceeds from the issuance of common stock relating to the employee stock purchase plan	389	238
Proceeds from exercise of warrants	0	2,385
Proceeds from exercise of stock options	230	630
Repurchase and retirement of common stock	(3,000)	0
Net cash (used in) provided by financing activities	(2,381)	3,253
Foreign currency effects on cash	(46)	56
Net decrease in total cash	(2,141)	(19,636)
Total Cash and Cash Equivalents:
Beginning of period	43,454	32,412
End of period	$ 41,313	$ 12,776